[INFO] fetching crate fuid 2.0.0...
[INFO] checking fuid-2.0.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate fuid 2.0.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate fuid 2.0.0
[INFO] finished tweaking crates.io crate fuid 2.0.0
[INFO] tweaked toml for crates.io crate fuid 2.0.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate fuid 2.0.0 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 26 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a820318558ff2c6ac9ed45fe2866183407a5ddb030a362d1b60c4b415e65a259
[INFO] running `Command { std: "docker" "start" "-a" "a820318558ff2c6ac9ed45fe2866183407a5ddb030a362d1b60c4b415e65a259", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a820318558ff2c6ac9ed45fe2866183407a5ddb030a362d1b60c4b415e65a259", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a820318558ff2c6ac9ed45fe2866183407a5ddb030a362d1b60c4b415e65a259", kill_on_drop: false }`
[INFO] [stdout] a820318558ff2c6ac9ed45fe2866183407a5ddb030a362d1b60c4b415e65a259
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Dunmustuse_in_always_ok" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8d9b239e3c860da8a3c2a63dfc5dd5d351aa21bd08862700fc2a27832d597ac2
[INFO] running `Command { std: "docker" "start" "-a" "8d9b239e3c860da8a3c2a63dfc5dd5d351aa21bd08862700fc2a27832d597ac2", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]     Checking getrandom v0.3.4
[INFO] [stderr]     Checking uuid v1.18.1
[INFO] [stderr]     Checking fuid v2.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<Fuid, Infallible>
[INFO] [stdout]    --> src/fuid.rs:117:9
[INFO] [stdout]     |
[INFO] [stdout] 117 |         $crate::Fuid::try_from($s).unwrap()
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:173:17
[INFO] [stdout]     |
[INFO] [stdout] 173 |         let b = fuid!(1);
[INFO] [stdout]     |                 -------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]     = note: this error originates in the macro `fuid` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Fuid, Infallible>
[INFO] [stdout]    --> src/fuid.rs:117:9
[INFO] [stdout]     |
[INFO] [stdout] 117 |         $crate::Fuid::try_from($s).unwrap()
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:208:17
[INFO] [stdout]     |
[INFO] [stdout] 208 |         let b = fuid!(1);
[INFO] [stdout]     |                 -------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `fuid` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fuid` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "8d9b239e3c860da8a3c2a63dfc5dd5d351aa21bd08862700fc2a27832d597ac2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d9b239e3c860da8a3c2a63dfc5dd5d351aa21bd08862700fc2a27832d597ac2", kill_on_drop: false }`
[INFO] [stdout] 8d9b239e3c860da8a3c2a63dfc5dd5d351aa21bd08862700fc2a27832d597ac2
